| 摘要 |
<P>PROBLEM TO BE SOLVED: To collect necessary images of heart rate phase by means of less radiation dose. <P>SOLUTION: An X-ray diagnostic apparatus includes: X-ray generating units (1, 4) which generates X rays; an X-ray detecting unit (2) which detects X rays transmitted through a subject; an X-ray exposure operating unit (3) which is operated by an operator; and a system control unit (10) which generates a signal related to contrast medium injection start at a time when the heart rate phase of the subject reaches a predetermined number specified phase after the X-ray generating units generate X-ray. <P>COPYRIGHT: (C)2013,JPO&INPIT |
